EP2877751A1 - Spannsystem mit einem darin anbringbaren spannring - Google Patents

Spannsystem mit einem darin anbringbaren spannring

Info

Publication number: EP2877751A1
Authority: EP; European Patent Office
Prior art keywords: tensioning; bolt; bore; tensioning ring; nut
Prior art date: 2012-07-26
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP13739850.9A

Other languages

English (en)

French (fr)

Other versions

EP2877751B1 (de

Inventor

Hendrik Hedzer GERSSEN

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

2012-07-26

Filing date

2013-07-03

Publication date

2015-06-03

2013-07-03 Application filed by Individual filed Critical Individual

2015-06-03 Publication of EP2877751A1 publication Critical patent/EP2877751A1/de

2016-09-21 Application granted granted Critical

2016-09-21 Publication of EP2877751B1 publication Critical patent/EP2877751B1/de

Status Active legal-status Critical Current

2033-07-03 Anticipated expiration legal-status Critical

Links

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
- F16B5/0216—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable
- F16B5/0225—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread the position of the plates to be connected being adjustable allowing for adjustment parallel to the plane of the plates

Definitions

the present invention relates to a tensioning system for, for example, wind bracing constructions, which serves to eliminate play and/or clearance between mutually mechanically connected profiles.
the present invention further relates to a tensioning ring which is eccentric, making it suitable for use in the tensioning system.
Such an eccentric is generally known.
use is often made of abutting pairs of oppositely adjustable eccentric tensioning rings to achieve a larger or more accurate range of adjustment.
a drawback of said known tensioning rings resides in that the tensioning systems in which they are applied require substantial adaptations particularly in the mechanical construction in which the two tensioning rings are provided.
the comparatively large number of components requires greater skill during mounting and successively adjusting and fixing the tensioning system used to interconnect the profiles.
the characterizing measures of the system according to the invention are that the system comprises :
- profiles which are to be clamped on top of one another and which are each provided with overlapping holes
-a tensioning ring which comprises a cylindrical portion the outer circumference of which contacts, in the hole, the first profile, and which comprises a portion having an enlarged outer circumference, an eccentric axial bore extending through both tensioning ring portions, and into which bore a bolt can be inserted which also passes through the hole in the second profile, the head or nut of said bolt being recessed in the bore in a rotationally secure manner.
An advantage of the tensioning system according to the invention resides in that only one tensioning ring and only one bolt are required.
said one bolt which is accommodated in a rotationally secure manner in the bore of the tensioning ring having an enlarged outer circumference, the tensioning ring is rotated, causing any play between the profiles to be removed. This removal of play achieved by rotating the bolt can bring about desirable pulling forces as well as pressure forces.
said same bolt is also used to fix the profiles and the tensioning member on top of one another, without this requiring additional parts.
the bolt which is accommodated in a rotationally secure manner in the bore advantageously fulfils a plurality of functions, viz.
the profiles do not require additional features or holes, so that mounting, adjusting but also readjusting, if necessary, at a later point in time, and fixation can be carried out rapidly in situ.
Fig. 1A is a front view of the assembled tensioning system according to the invention
fig. IB is a partial cross-sectional view of the tensioning system of Fig. 1A taken on the line A - A;
Figures 2 and 3 show perspective views of
Figure 1A shows the front view of a tensioning system 1 which can suitably be used in a stability or wind bracing construction or in a stage, platform, frame or wall construction, which is often provided with beams, posts and/or diagonal elements.
FIG IB a partial cross section taken on the line A - A is shown of the front view of fig. 1A.
Said figure shows two interconnected profiles 2-1 and 2-2 of the front view of the tensioning system 1 as an example of the above-mentioned constructions.
Said profiles 2-1 and 2-2 hereinafter also simply indicated by means of reference numeral 2 are each provided with a round through hole 3-1, 3-2 having a different diameter.
Said through holes demonstrate an overlap when the two profiles 2-1 and 2-2 are placed on top of one another.
the tensioning system 1 further comprises a
tensioning ring 4 made of steel, for example hard steel, which tensioning ring comprises a cylindrical portion 4-1 which fits in the hole 3-1 of the first profile 2-1.
the tensioning member 4 has a through bore 5 which extends eccentrically in the axial direction through the portion 4- 1 and through an adjacent projecting portion 4-2 having an enlarged diameter. In the assembled state of the system 1, said portion 4-2 bears against the front side of the profile 2-1.
a bolt 6 is passed through the stepped-diameter bore 5 and through the hole 3-2, in this case preferably from the front side.
the bolt head 7 is at least partly recessed in the wider bore 5 of the protruding portion 4-2 in a rotationally secure manner.
it would be possible to invert the position of the bolt 6 or the bolt could be replaced by a stud the nut of which is then recessed in the wider bore 5 of the protruding portion 4-2.
the tensioning member 4 in the hole 3-1 will rotate and the profiles 2 will move with respect to each other, causing pressure or pulling forces to be generated and any play can be readily pulled or pressed out of the construction formed of the profiles.
a nut 8 is screwed on the protruding, threaded part of, in this case, bolt 6, so that the tensioning system as a whole is also immovably fixed in the relevant position of rotation.
this requires no additional measures.
the bolt head 7, which is often polygonal in section, may be of the recessed-head type for allowing a spanner to be inserted, in which case the head does not protrude. If said bolt head 7 is polygonal in section and a spanner can suitably be placed on the head, then the head 7 will protrude from the bore 5 of the second tensioning ring 4-2.
the hole 3-2 in the second profile 2-2 may be
one or more of the surfaces of the tensioning member 4 which are in frictional contact with each other and/or at least one of the two profiles 2-1, 2-2, may be provided with a surface structure such that additional friction occurs.
Said surface structure may be a roughened surface and/or may consist of grains, notches, ridges or grooves.
Said structures 9, which are schematically shown at only one location in fig. IB, may be parallel to one another or they may consist of, for example, rows which extend at a certain angle with respect to each other.

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Connection Of Plates (AREA)
Clamps And Clips (AREA)
Mutual Connection Of Rods And Tubes (AREA)

EP13739850.9A 2012-07-26 2013-07-03 Spannsystem mit einem darin anbringbaren spannring Active EP2877751B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL2009238A NL2009238C2 (nl)	2012-07-26	2012-07-26	Spansysteem met daarin toepasbare spanring.
PCT/NL2013/050490 WO2014017901A1 (en)	2012-07-26	2013-07-03	Tensioning system with tensioning ring applicable therein

Publications (2)

Publication Number	Publication Date
EP2877751A1 true EP2877751A1 (de)	2015-06-03
EP2877751B1 EP2877751B1 (de)	2016-09-21

Family

ID=46939959

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13739850.9A Active EP2877751B1 (de)	2012-07-26	2013-07-03	Spannsystem mit einem darin anbringbaren spannring

Country Status (4)

Country	Link
EP (1)	EP2877751B1 (de)
ES (1)	ES2601957T3 (de)
NL (1)	NL2009238C2 (de)
WO (1)	WO2014017901A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN104831817B (zh) *	2015-04-05	2017-01-25	北京工业大学	一种钢梁与混凝土剪力墙连接节点
RU2661326C1 (ru) *	2017-04-13	2018-07-13	Акционерное общество "Информационные спутниковые системы" имени академика М.Ф. Решетнёва"	Узел резьбового соединения

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1097185A (en) *	1913-04-22	1914-05-19	Henry C Oehrle	Coupling-bolt.
US3006443A (en) *	1954-12-20	1961-10-31	Joseph T Siler	Method and apparatus for attaching juxtaposed members
DE3140459C2 (de) *	1981-10-12	1984-02-09	Pepperl & Fuchs Gmbh & Co Kg, 6800 Mannheim	Einstellschieber für eine justierbare Anbringung eines Endschalters

2012
- 2012-07-26 NL NL2009238A patent/NL2009238C2/nl not_active IP Right Cessation
2013
- 2013-07-03 WO PCT/NL2013/050490 patent/WO2014017901A1/en not_active Ceased
- 2013-07-03 EP EP13739850.9A patent/EP2877751B1/de active Active
- 2013-07-03 ES ES13739850.9T patent/ES2601957T3/es active Active

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2014017901A1 *

Also Published As

Publication number	Publication date
NL2009238C2 (nl)	2014-01-28
ES2601957T3 (es)	2017-02-16
WO2014017901A1 (en)	2014-01-30
EP2877751B1 (de)	2016-09-21

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